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  1. Replies
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    STX 15F pump cooling water pressure

    In case someone needs the data. This machine as measured runs at 60psi at top speed or engine rpm. This was sampled at the pump pressure tap inside at the rear hull which feeds the oil cooler water....
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    Changed about 18 feet of cooling line so far and...

    Changed about 18 feet of cooling line so far and will do the stator housing later next week along with the intake manifold hose in the winter. Brother and I were talking about electric bilge pumps,...
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    15F salt water in engine bay

    My machine sprung a leak at one of the oil cooler lines on the ocean. By the time I got back to the ramp the hull contained water above the motor mounts. Basically the alternator case where the drive...
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    That'd be where I'd go first. Look for a cracked...

    That'd be where I'd go first. Look for a cracked and open instrument housing. I caught mine in time and modified the mount after sealing it up. It's a known problem area like many.

    rt
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    I did 100 miles today and it appeared about the...

    I did 100 miles today and it appeared about the same performance wise. close enough that any negative was subjective in my mind. I did notice the throttle dead band close to WOT was not as large (the...
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    Going for a ride today and will note any change...

    Going for a ride today and will note any change in performance. If there is a loss it will be coming off and I will take a pic! LOL This is an addition to the stock airbox and nothing gets removed....
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    I wonder how much top end and acceleration this...

    I wonder how much top end and acceleration this recall will remove from the machine? The long coarse 2.5 inch diameter metal filter goes in the rubber hose connecting the air box to the throttle...
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    20 dollar new idle stabilizer stepper motor fixed...

    20 dollar new idle stabilizer stepper motor fixed mine.The old one still made noise after shutdown. It is aftermarket and not made by Mitsubishi but intended for that application. MD628318 but you...
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    It's warm so went for a good run. Idle stabilizer...

    It's warm so went for a good run. Idle stabilizer works fine, steering assist is functional again, and a solid 1200 rpm idle with no stalling. I'd say if you need one spend the 20 bucks. :) I took...
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    Yes, another fine Kawasaki design feature. LOL...

    Yes, another fine Kawasaki design feature. LOL You can find the same feature on the pump aft bearing outer race! :)
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    Mine has been like that since new. The shaft...

    Mine has been like that since new. The shaft pulls out forward to remove the bearing, another Kawasaki engineering design feat LOL
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    No loctite. Use lubricant as specified.Apply...

    No loctite. Use lubricant as specified.Apply molybdenum disulfide greaseto the thread of
    the pump shaft.Torqueimpeller to 98 N·m (10 kgf·m, 72 ft·lb).

    Apply a non-permanent locking agent to the...
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    It has it's problems. Most occur after several...

    It has it's problems. Most occur after several years of ownership. The aluminum exhaust pipe will rot off eventually at the flex coupling when used in salt water. The instrument cluster will often...
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    Maybe ask sirbreaksalot? He used a similar...

    Maybe ask sirbreaksalot? He used a similar automotive component before I. Who knows how long my 20 dollar part will last, it's winter :)
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    It took over a month to arrive LOL. Must have...

    It took over a month to arrive LOL. Must have come over in a canoe! Electrically it measures identical to 15F OEM for ohms. Physically the same dimensions too however the rubber gasket that came with...
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    Linden, Let us know how much change occurred...

    Linden,

    Let us know how much change occurred after the heads were bolted up and the cams installed. I found a tiny change even after rotating the cams to wear/spread off a bit of the moly...
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    Finally back together. As usually when someone...

    Finally back together. As usually when someone builds a hull around an engine things get tight and stuff gets dropped. Couldn't believe my luck, every time I dropped a washer, bolt or nut I found it...
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    I undid the 4 bolts at the lower end of the...

    I undid the 4 bolts at the lower end of the manifold, undid the waterbox rubber strap and pushed it aft bout 1/2 inch.. Lots of room to remove the manifold. Just be sure to clean the gasket lower...
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    Russell41, So you got to send the cams and top...

    Russell41,

    So you got to send the cams and top bearing block too. You are getting the valve seats recut and new guides/valves/seals too? When you get it back and reinstalled let us know what your...
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    I like to set them on the loose side of spec so...

    I like to set them on the loose side of spec so they go the longest time before next service.Valves wear into the seats and reduce clearance. I tried them in the middle and the machine had the same...
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    Yup, I used high temp loctite just in case too....

    Yup, I used high temp loctite just in case too. Don't know how I'd do at fishing though :) I was lucky, no snapped debris or drill and thread swarf to deal with. The repair will likely out last the...
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    I was wondering if the head torque down affected...

    I was wondering if the head torque down affected anything. I'm doing the valve shimming now with the manifolds off. Trying to make everything come in on the loose end of the tolerances.
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    Helicoil is installed. The long hole in the head...

    Helicoil is installed. The long hole in the head makes it impossible to use the installation tool outer portion. It is both too wide and too short. The helicoil could be installed from the combustion...
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    valve shimming

    Got the head installed and proceeding to verify clearances as I always do. After installing the head I thought how much easier it would have been to bolt the cams up on the bench and shim at that...
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    Nice Tool for Scheduled Maintenance :)

    For 2018 I was told Kawasaki might be including one of these with each new sale to handle unscheduled-scheduled maintenance. LOL

    For whatever reason these machines like to seize and strip spark...
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